BACKSLAP is a playable word

backslap Scrabble® Dictionary

verb
backslapped, backslapping, backslaps
to show much approval
111 Playable Words can be made from "BACKSLAP"
   2-Letter Words (8 found)
   6-Letter Words (6 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)